Home
Class 12
CHEMISTRY
A and B are two salts. A with dil. HCl a...

A and B are two salts. A with dil. HCl and A and B with conc. `H_(2)SO_(4)` react to give reddish brown vapours, hence A and B respectively are:

A

`NaNO_(3), NaBr`

B

`NaBr, NaNO_(3)`

C

`NaBr, NaNO_(2)`

D

`NaNO_(2), NaBr`

Text Solution

Verified by Experts

The correct Answer is:
D
Nitrites gives `NO_(2)` (brown) with dil. Acids. The nitrites and bromides give brown vapour of `NO_(2) anc Br_(2)` with conc. Acids.
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A and B are two salts. A with dilute HCl and B with con. H_(2)SO_(4) react to give reddish brown vapours, hence A and B respectively are :

Carbon reacts with conc. H_(2)SO_(4) to gives

HCOOH reacts with conc. H_(2)SO_(4) to give :

KBr, on reaction with conc. H_(2)SO_(4) , gives reddish-brown gas :

A and B are two salts. A reacts both with dil H_2SO_4 and conc. H_2SO_4 to give reddish brown vapours. However, B reacts only with conc. H_2SO_4 to give similar vapours. Hence A and B are respectively

Copper reacts with hot conc. H_(2)SO_(4) to give:

Salts which give brown vapours with conc. H_(2)SO_(4) may be

A salt, which on heating with conc. H_(2)SO_(4) gives violet vapour is

DISHA-S-BLOCK ELEMENTS-MCQs
  1. Calcitonim and parathyroid hormone regulate concentration of which of ...

    Text Solution

    |

  2. Oxygen is obtained from bleaching powder by

    Text Solution

    |

  3. Substance which absords CO(2) and violently reacts with H(2)O with sou...

    Text Solution

    |

  4. The electric cookers have coating that products them against fire. Th...

    Text Solution

    |

  5. Which among of following is most soluble in water?

    Text Solution

    |

  6. Which of the following is incorrect?

    Text Solution

    |

  7. Electrolysis of fused KCl, MgCl(2), 6H(2)O gives

    Text Solution

    |

  8. Beryllium shows diagonal relationship with aluminium. Which of the fol...

    Text Solution

    |

  9. Amongst the following hydroxides, the one which is insoluble is

    Text Solution

    |

  10. A and B are two salts. A with dil. HCl and A and B with conc. H(2)SO(4...

    Text Solution

    |

  11. In crytals of which one of the following ionic compounds would you exp...

    Text Solution

    |

  12. Alkaline earth metal compounds are less soluble in water than correspo...

    Text Solution

    |

  13. The following compounds have been arranged in order of their increasin...

    Text Solution

    |

  14. Covalent radii of atoms varies in range of 72pm to 133pm from F to I w...

    Text Solution

    |

  15. Among KO(2), AlO(2)^(-), BaO(2) and NO(2)^(+), unpaired electrons is p...

    Text Solution

    |

  16. A certain metal M is used to prepare an antacid, which is used as a me...

    Text Solution

    |

  17. Choose the compounds which does not possess a peroxide group

    Text Solution

    |

  18. Which of the following has correct increasing basic strength?

    Text Solution

    |

  19. Which of the following orders present the correct sequence of the incr...

    Text Solution

    |

  20. Which liberates ammonia when treated with water?

    Text Solution

    |